I've a Nikon D810 and am using the nikor 105mm f2.8 macro lens. I'm also using helicon focus to focus stack images. Unfortunately the resulting picture has a halo effect on some the boundaries of ...
I have a 2 year old 100mm CANON IS USM f2.8. Suddenly image stabilisation is jumping vertically to the full range and periodically it is impossible to shoot an exposure. The only way to get rid of ...